The DNA microarray platform from Arrayit, Sunnyvale, Calif, enables whole-genome and targeted analysis of DNA sequences for gene expression and genotyping applications. The DNA microarrays combine patented contact printing technology, ex situ oligonucleotide manufacturing, proprietary glass and coupling chemistry, cleanroom manufacturing, and post-manufacturing quality control to achieve excellent testing specificity, sensitivity, and accuracy for human, plant, animal, fungal, bacterial, and viral identification purposes. The low-density, targeted DNA microarrays utilize multiplexed 24-well and 96-well formats to improve testing throughput and affordability. For more information, visit Arrayit.